E-Flora BC: Electronic Atlas of the Flora of British Columbia

Verbascum blattaria L.
moth mullein
Scrophulariaceae (Butterfly-bush family)

Introduction to Vascular Plants

© john brears  Email the photographer   (Photo ID #86535)

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Distribution of Verbascum blattaria
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Species Information

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Biennial herb from a taproot; stems single, erect, 0.5-1.5 m tall, angled, stalked-glandular upward especially in the inflorescence, smooth below.
Basal leaves in a rosette, broadly lanceolate to oblong, 5-25 cm long, tapering to a short-stalked base, coarsely toothed and sometimes also wavy-lobed; stem leaves numerous, alternate, progressively reduced upward, becoming unstalked, with clasping leaf-bases, the margins with sharp triangular teeth.
Inflorescence a rather open, bracted, spike-like, terminal cluster, occasionally with additional axillary clusters, of numerous stalked flowers, the stalks 8-15 mm long; corollas yellow or less commonly whitish, wheel-shaped, 2-3 cm across, 5-lobed, the lobes nearly equal, the tube very short; calyces glandular-hairy, much shorter than the flower stalks, deeply 5-lobed, the lobes narrowly elliptic; stamens 5, the filaments covered with purple-knobbed hairs.
Capsules, nearly globe-shaped, 6-8 mm long; seeds numerous, longitudinally ridged.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Mesic to moist roadsides, fields and waste places; rare in SW and SC BC; introduced from Eurasia.

Source: The Illustrated Flora of British Columbia


The climate type for this species, as reported in the: "British Columbia plant species codes and selected attributes. Version 6 Database" (Meidinger et al. 2008), is not evaluated, unknown or variable.

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References